Guard - Definition

n 1: a person who keeps watch over something or someone
2: the person who plays that position on a football team; "the
left guard was injured on the play"
3: a device designed to prevent injury or accidents [syn:
guard, safety, safety device]
4: a posture of defence in boxing or fencing; "keep your guard
up"
5: the person who plays the position of guard on a basketball
team
6: a military unit serving to protect some place or person
7: a precautionary measure warding off impending danger or
damage or injury etc.; "he put an ice pack on the injury as a
precaution"; "an insurance policy is a good safeguard"; "we
let our guard down" [syn: precaution, safeguard, guard]
8: the duty of serving as a sentry; "he was on guard that night"
[syn: guard duty, guard, sentry duty, sentry go]
9: (American football) a position on the line of scrimmage;
"guards must be good blockers"
10: a position on a basketball team
v 1: to keep watch over; "there would be men guarding the
horses"
2: watch over or shield from danger or harm; protect; "guard my
possessions while I'm away" [syn: guard, ward]
3: protect against a challenge or attack; "Hold that position
behind the trees!"; "Hold the bridge against the enemy's
attacks" [syn: defend, guard, hold]
4: take precautions in order to avoid some unwanted consequence;
"guard against becoming too friendly with the staff"; "guard
against infection"